killer T cell

noun
variants: or less commonly killer T lymphocyte
plural killer T cells also killer T lymphocytes

Definition of killer T cell

: cytotoxic t cell The antigen receptors of killer T cells allow them to recognize the viral peptides, which signal that a cell must be destroyed as unhealthy.— Harald von Boehmer et al. A subset of lymphocytes known as killer T cells may also respond to the envelope protein by destroying infected cells.— William A. Haseltine et al.

First Known Use of killer T cell

1971, in the meaning defined above

Learn More About killer T cell

Time Traveler for killer T cell

Time Traveler

The first known use of killer T cell was in 1971

See more words from the same year

Dictionary Entries Near killer T cell

killer plant

killer T cell

killer whale

See More Nearby Entries 

Statistics for killer T cell

Cite this Entry

“Killer T cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/killer%20T%20cell. Accessed 23 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for killer T cell

killer T cell

noun
variants: also killer T lymphocyte

Medical Definition of killer T cell

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!